/*
 * Copyright 2008 Carnegie Mellon University
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, 
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package edu.cmu.lti.sepia.api.processor;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.json.JSONObject;

import edu.cmu.lti.sepia.api.json.JsonAction;
import edu.cmu.lti.sepia.data.db.PermissionDAO;
import edu.cmu.lti.sepia.data.db.SQL;
import edu.cmu.lti.sepia.infra.system.model.Permission;
import edu.cmu.lti.sepia.util.ExceptionUtil;

public class PermissionProcessor extends AbstractProcessor {
	
	@Override
	public JSONObject process( SQL sql, JsonAction action, HttpServletRequest request ) {
				
	  JSONObject json = new JSONObject();
    try {
      json.put("msg","succeeded");
		
  		if ( action.equals( JsonAction.GetPermission ) ) {
  	    Permission permission = PermissionDAO.parseRequest(request);
  			List<Permission> p = PermissionDAO.findByUserId( sql, permission.getUserId() );
  			json = PermissionDAO.convertPermissions( p );
  		} else if ( action.equals( JsonAction.UpdatePermissions )) {
  		  List<Permission> p = PermissionDAO.parseRequestIntoPermissions(request);
        PermissionDAO.updatePermissions( sql, p );
  		}
    } catch ( Exception e ) {
      e.printStackTrace();
      try {
        json.put("exception", ExceptionUtil.exceptionToString(e));
      } catch (Exception e2) {
        e2.printStackTrace();
      }
    }
    return json;
  }
	
}
